British Airways Checked Luggage Allowance The BA baggage allowance for checked luggage depends on the class of movement, however, all baggage should have the greatest dimensions of 90cm x 75cm x 43cm.   Euro Explorer or World Voyager (Economy) *: 1 bag of 23 kg World Explorer In addition to (Premium Economy): 2 bags of 23 kg Club Europe, Club World, Club World London City (Business): 2...